#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int x = 1, a = 0, b = 0;

	switch (x) {

	case 0:   b++;

	case 1:   a++;

	case 2:   a++;b++;

	}

	printf("a=%d,b=%d\n", a, b);
	return 0;
}